Học sinh tây lười học thì thế này đây...
[You must be registered and logged in to see this link.]
Khai căn chính xác
[You must be registered and logged in to see this link.]
Thừa giấy vẽ voi
[You must be registered and logged in to see this link.]
???????????
[You must be registered and logged in to see this link.]
Tìm x nhanh nhất
[You must be registered and logged in to see this link.]
Dễ mà
[You must be registered and logged in to see this link.]
Chịu hẳn
[You must be registered and logged in to see this link.]
Rút gọn thế này chứ
[You must be registered and logged in to see this link.]
Khó thế này thắt cổ cho xong
[You must be registered and logged in to see this link.]
Đố cô tìm thấy đấy
[You must be registered and logged in to see this link.]
[You must be registered and logged in to see this link.]
Khai căn chính xác
[You must be registered and logged in to see this link.]
Thừa giấy vẽ voi
[You must be registered and logged in to see this link.]
???????????
[You must be registered and logged in to see this link.]
Tìm x nhanh nhất
[You must be registered and logged in to see this link.]
Dễ mà
[You must be registered and logged in to see this link.]
Chịu hẳn
[You must be registered and logged in to see this link.]
Rút gọn thế này chứ
[You must be registered and logged in to see this link.]
Khó thế này thắt cổ cho xong
[You must be registered and logged in to see this link.]
Đố cô tìm thấy đấy
[You must be registered and logged in to see this link.]